soc/codecs/wm8804.c

3  * wm8804.c  --  WM8804 S/PDIF transceiver driver
27 #include "wm8804.h"
85 	struct wm8804_priv *wm8804 = container_of(nb, struct wm8804_priv, \
88 		regcache_mark_dirty(wm8804->regmap);	\
137 	struct wm8804_priv *wm8804 = snd_soc_component_get_drvdata(component);
142 		if (!wm8804->aif_pwr)
144 		wm8804->aif_pwr++;
148 		wm8804->aif_pwr--;
149 		if (!wm8804->aif_pwr)
210 static int wm8804_soft_reset(struct wm8804_priv *wm8804)
212 	return regmap_write(wm8804->regmap, WM8804_RST_DEVID1, 0x0);
405 	struct wm8804_priv *wm8804 = snd_soc_component_get_drvdata(component);
410 		regmap_update_bits_check(wm8804->regmap, WM8804_PWRDN,
413 			pm_runtime_put(wm8804->dev);
419 				  wm8804->mclk_div);
424 		regmap_update_bits_check(wm8804->regmap, WM8804_PWRDN,
427 			pm_runtime_get_sync(wm8804->dev);
486 	struct wm8804_priv *wm8804;
495 		wm8804 = snd_soc_component_get_drvdata(component);
496 		wm8804->mclk_div = div;
522 	.name = "wm8804-spdif",
565 	struct wm8804_priv *wm8804;
569 	wm8804 = devm_kzalloc(dev, sizeof(*wm8804), GFP_KERNEL);
570 	if (!wm8804)
573 	dev_set_drvdata(dev, wm8804);
575 	wm8804->dev = dev;
576 	wm8804->regmap = regmap;
578 	wm8804->reset = devm_gpiod_get_optional(dev, "wlf,reset",
580 	if (IS_ERR(wm8804->reset)) {
581 		ret = PTR_ERR(wm8804->reset);
586 	for (i = 0; i < ARRAY_SIZE(wm8804->supplies); i++)
587 		wm8804->supplies[i].supply = wm8804_supply_names[i];
589 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(wm8804->supplies),
590 				      wm8804->supplies);
596 	wm8804->disable_nb[0].notifier_call = wm8804_regulator_event_0;
597 	wm8804->disable_nb[1].notifier_call = wm8804_regulator_event_1;
600 	for (i = 0; i < ARRAY_SIZE(wm8804->supplies); i++) {
601 		struct regulator *regulator = wm8804->supplies[i].consumer;
604 						       &wm8804->disable_nb[i]);
613 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8804->supplies),
614 				    wm8804->supplies);
620 	gpiod_set_value_cansleep(wm8804->reset, 1);
650 	if (!wm8804->reset) {
651 		ret = wm8804_soft_reset(wm8804);
672 	regulator_bulk_disable(ARRAY_SIZE(wm8804->supplies), wm8804->supplies);
686 	struct wm8804_priv *wm8804 = dev_get_drvdata(dev);
689 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8804->supplies),
690 				    wm8804->supplies);
692 		dev_err(wm8804->dev, "Failed to enable supplies: %d\n", ret);
696 	regcache_sync(wm8804->regmap);
699 	regmap_update_bits(wm8804->regmap, WM8804_PWRDN, 0x8, 0x0);
706 	struct wm8804_priv *wm8804 = dev_get_drvdata(dev);
709 	regmap_update_bits(wm8804->regmap, WM8804_PWRDN, 0x8, 0x8);
711 	regulator_bulk_disable(ARRAY_SIZE(wm8804->supplies),
712 			       wm8804->supplies);